热真空条件下二浮惯性测量装置组合体热控系统设计

上海交通大学学报（自然版） ›› 2014, Vol. 48 ›› Issue (08): 1065-1071.

热真空条件下二浮惯性测量装置组合体热控系统设计

程耀强1a,徐德民1a,1b,任宏科2,张宏2，刘明雍1a,郭林肖2

（1.西北工业大学 a．航海学院,b.水下信息与控制国家级重点实验室,西安 710072; 2.中国航天科技集团公司九院第十六研究所,西安 710100）

收稿日期:2013-12-25 出版日期:2014-08-28 发布日期:2014-08-28
基金资助:
国家自然科学基金资助项目（51379176，51179156）

Thermal Control System Design of Two-Bearing Inertial Measurement Unit Table Under Heat-Vacuum Condition

CHENG Yaoqiang1a,XU Demin1a,1b,REN Hongke2,ZHANG Hong2,LIU Mingyong1a,GUO Linxiao2

（1a. School of Marine Science and Technology, 1b. State Key Laboratory for Underwater Information and Control, Northwestern Polytechnical University, Xi’an 710072, China; 2. The 16th Institute of the 9th Company, China Aerospace Science and Technology Corporation, Xi’an 710100, China）

Received:2013-12-25 Online:2014-08-28 Published:2014-08-28

摘要/Abstract

摘要：

论述了二浮惯性测量装置(Inertial Measurement Unit,IMU)组合体热控系统设计、试验验证和再设计的过程.首先分析了斜装结构形式和布局，然后基于宇航产品的热设计原则，介绍了二浮陀螺和石英加速度计的热设计情况，试验验证时发现高温段陀螺温升过大，通过更换导热系数更大的陀螺安装板材料等措施，使得陀螺能够稳定工作在最佳精度范围内.最终的试验数据和试验前后标定数据的对比表明，二浮IMU组合体热控系统的设计完全满足整船的技术要求，并为惯性仪表提供良好的温度环境，在保证惯性仪表工作精度的同时，也可大大提高其在轨工作寿命.

关键词: 热真空, 二浮惯性测量装置, , 组合体, 斜装, 热控

Abstract:

This paper discussed the thermal control system design, test and re-design of a two-bearing inertial measurement uint(IMU) table in detail. First, it analyzed the oblique installed structure and layout. Then, it introduced the thermal design of twobearing gyroscope and quartz accelerometer based on the thermal design principle of aerospace products. Test results showed that during high temperature period, the temperature of the gyroscope soared. By substituting the installation plate materials with bigger thermal conductivity coefficient, the gyroscope was made to work stably in its optimal range. The final test data and comparison of calibration data showed that thermal control system the design of the twobearing table fully met the requirements of the global ship. The two-bearing IMU table could provide a good temperature environment for inertial instrument, which not only ensured the working precision of inertial instrument, but also greatly improved its on-orbit working life.

Key words: heat vacuum, two-bearing inertial measurement unit(IMU), table, oblique installation, thermal control

中图分类号:

U 666.1

程耀强1a,徐德民1a,1b,任宏科2,张宏2，刘明雍1a,郭林肖2. 热真空条件下二浮惯性测量装置组合体热控系统设计[J]. 上海交通大学学报（自然版）, 2014, 48(08): 1065-1071.

CHENG Yaoqiang1a,XU Demin1a,1b,REN Hongke2,ZHANG Hong2,LIU Mingyong1a,GUO Linxiao2. Thermal Control System Design of Two-Bearing Inertial Measurement Unit Table Under Heat-Vacuum Condition[J]. Journal of Shanghai Jiaotong University, 2014, 48(08): 1065-1071.

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